What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to Porto round-trip?

Flying on Delta is currently your cheapest option to Porto, with prices starting at $441. Additional round-trip tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at $568 and $739, respectively. Delta is 56% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to Porto?

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Porto flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What are the most popular airlines that fly from Detroit Metropolitan Wayne County Airport to Porto?

Delta, KLM and United Airlines are the most popular airlines when flying from Detroit Metropolitan Wayne County Airport to Porto.

What is the cheapest day to fly round-trip from Detroit Metropolitan Wayne County Airport to Porto?

Users have found that flying from Detroit Metropolitan Wayne County Airport to Porto on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Porto?

Our data shows that January tends to be the cheapest month to fly to Porto from Detroit Metropolitan Wayne County Airport. Users have commonly found prices around $1,063 for the month, but tickets can be as low as $598. Due to multiple factors, prepare for potentially higher prices in April.

What is the cheapest time of day to fly from DTW to OPO?

One of the essential ways to save on airfare from Detroit Metropolitan Wayne County Airport to Porto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 4% on airfare.

Can I find deals for flights from Detroit to Porto that include hotel bookings?

Yes. In addition to deals on Detroit to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Detroit to Porto?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Porto.

Can I find deals for business class flights from Detroit to Porto?

Yes. Cheapflights offers flight deals from Detroit to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Detroit Metropolitan Wayne County Airport to Porto

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Cheap flight deals from Detroit to Porto

Popular in	June
Cheapest in	January
Average price	$939

Highest demand for flights based on searches. 17% potential increase in price ($222 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Best time to book a flight from Detroit to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Detroit with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to Porto

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Porto (average of $523). Flying from Detroit Metropolitan Wayne County Airport to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Porto

Read reviews from past customers who have flown Delta, KLM, and United Airlines from Detroit Metropolitan Wayne County Airport to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,385 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,937 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to Porto round-trip?
Flying on Delta is currently your cheapest option to Porto, with prices starting at $441. Additional round-trip tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at $568 and $739, respectively. Delta is 56% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Detroit to Porto that include hotel bookings?
Yes. In addition to deals on Detroit to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Detroit to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Porto.
Can I find deals for business class flights from Detroit to Porto?
Yes. Cheapflights offers flight deals from Detroit to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Porto?
Currently, January is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Porto (average of $523). Flying from Detroit Metropolitan Wayne County Airport to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Other flights to Porto

Top 3 airlines flying from Detroit to Porto

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$441	Average$1,210	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$568	Average$985	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$739	Average$979	FlexibilityNo cancel fee	On-time69%

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Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to Porto (OPO)

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Cheap flight deals from Detroit to Porto

Popular in

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Best time to book a flight from Detroit to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Detroit with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to Porto

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Porto?

Reviews of airlines servicing Porto

Related info for your journey

Find useful and relevant information for your journey from Detroit to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to Porto round-trip?

Can I find deals for flights from Detroit to Porto that include hotel bookings?

How can I find direct flights from Detroit to Porto?

Can I find deals for business class flights from Detroit to Porto?

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Porto?

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Top 3 airlines flying from Detroit to Porto

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